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  • Writer's pictureJodi Forestell CHN. NNCP

What Makes a Food Processed?

Updated: May 1, 2023


The world of food can be so confusing at times. There was a time when it was clear what food was - it came directly from nature - whether foraging, hunting, or farming.


Now there are so many things we eat that don't resemble a natural food.


Michael Pollan has a famous quote, he said: "Eat Food - Not too much - Mostly Plants"


And in his famous book, In Defense of Food, he defines what food should be. He says, "Don't eat anything your great-great-grandmother wouldn't recognize as food."


And we can all agree that some things are obviously not recognizable by our great-great-grandmothers: candy bars, fast food, and sports drinks.


We can also say that many of the common health issues we face today: heart disease, diabetes, some cancers, cavities, obesity, anxiety etc. didn't exist at anywhere near the rates before industrially processed foods became available.


But where do we draw the line? How do we define processed? How processed is processed? And what the heck is ultra-processed?


Allow me to let you in on the internationally recognized classification system (NOVA). And we’re going to go through it step-by-step with an apple. Click the link below for more info on the NOVA food classification. http://archive.wphna.org/wp-content/uploads/2016/01/WN-2016-7-1-3-28-38-Monteiro-Cannon-Levy-et-al-NOVA.pdf

Unprocessed


According to NOVA, the official definition of unprocessed or natural foods is:


"The edible parts of plants (seeds, fruits, leaves, stems, roots) or of animals (muscle, offal, eggs, milk), and also fungi, algae, and water, after separation from nature."


This is like eating a whole apple right off the tree - clearly unprocessed.


Minimally processed


Minimally processed foods are:


‘Natural’ foods altered by processes such as removal of inedible or unwanted parts, drying, crushing, grinding, fractioning, filtering, roasting, boiling, pasteurization, refrigeration, freezing, placing in containers, vacuum packaging, or nonalcoholic fermentation. None of these processes adds substances such as salt, sugar, oils or fats to the original food."


So, with our apple example, once you cut the apple's core out and put the slices into a container to bring with you for your afternoon snack, you are processing it - minimally. You can even peel and boil that chopped apple to make applesauce. And, as long as you don't add anything else (like cinnamon), it's still considered minimally processed.


Processed


Processed foods, on the other hand, are relatively simple products made by adding sugar, oil, salt, or other processed ingredients to unprocessed foods.


Most processed foods have two or three ingredients. Processes include various preservation or cooking methods, and, in the case of bread and cheese, non-alcoholic fermentation. The main purpose of the manufacture of processed foods is to increase the durability of unprocessed foods, or to modify or enhance their sensory qualities.


So, if you take that applesauce, add cinnamon, and/or use it in a recipe, you technically have processed the apple.


This can still be a healthy choice and one I recommend.


Ultra-processed


Here's where things get interesting and scary!


Ultra-processed foods are:


"Industrial formulations typically with five or more and usually many ingredients. Such ingredients often include those also used in processed foods, such as sugar, oils, fats, salt, antioxidants, stabilizers, and preservatives. Ingredients only found in ultra-processed products include substances not commonly used in culinary preparations, and additives whose purpose is to imitate sensory qualities of [unprocessed] foods ... or to disguise undesirable sensory qualities of the final product. [Unprocessed] foods are a small proportion of or are even absent from ultra-processed products."


So, pre-packaged apple strudel with a long shelf life is very much an ultra-processed food. If you looked at the ingredient list of pre-packaged apple strudel (one with a long shelf life), you would see added sugars, oils, preservatives, and flavour enhancers. And we can argue that the healthy apple is a small (very small) proportion of the strudel.


Conclusion


There is a clear difference between unprocessed (the apple) and ultra-processed (the pre-packaged strudel with a long shelf life) foods. An apple is nowhere near what a mass-produced apple strudel is. But there are a couple of different categories in between these - namely minimally processed and processed.


It’s clear that an unprocessed (apple) and minimally processed (plain applesauce) foods are almost always quite healthy and nutritious. It's also clear that ultra-processed food is not so healthy.


Now that you know the definitions of these foods, I think you'll agree that the commonly used term processed is often referring to the industrial ultra-processing of foods.


In the end, eating a wide variety of foods as close as you can to how nature created them is easily half the battle to making good choices for you and your family when it comes to better health.


Recipe (minimally processed): Slow-Cooker Applesauce


Serves 16


4 lbs (1.8kg) apples, washed and chopped ¾ cup water Instructions:


Place apples and water in a large pot.


Bring to a boil and simmer until apples are soft about 20 minutes.


Blend or mash the apples into desired consistency. Serve & enjoy!


Tip: Add some cinnamon for extra flavour and use the applesauce to make overnight oats.


References:



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